sh: Add support for SDK7780 board.

Add support for Renesas Technology Europe SDK7780 board.

Signed-off-by: Nicholas Beck <nbeck@mpc-data.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/arch/sh/boards/renesas/sdk7780/irq.c b/arch/sh/boards/renesas/sdk7780/irq.c
new file mode 100644
index 000000000000..87cdc578f6ff
--- /dev/null
+++ b/arch/sh/boards/renesas/sdk7780/irq.c
@@ -0,0 +1,46 @@
+/*
+ * linux/arch/sh/boards/renesas/sdk7780/irq.c
+ *
+ * Renesas Technology Europe SDK7780 Support.
+ *
+ * Copyright (C) 2008  Nicholas Beck <nbeck@mpc-data.co.uk>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <asm/sdk7780.h>
+
+enum {
+	UNUSED = 0,
+	/* board specific interrupt sources */
+	SMC91C111,	/* Ethernet controller */
+};
+
+static struct intc_vect fpga_vectors[] __initdata = {
+	INTC_IRQ(SMC91C111, IRQ_ETHERNET),
+};
+
+static struct intc_mask_reg fpga_mask_registers[] __initdata = {
+	{ 0, FPGA_IRQ0MR, 16,
+	  { 0, 0, 0, 0, 0, 0, 0, 0,
+	    0, 0, 0, SMC91C111, 0, 0, 0, 0 } },
+};
+
+static DECLARE_INTC_DESC(fpga_intc_desc, "sdk7780-irq", fpga_vectors,
+			 NULL, fpga_mask_registers, NULL, NULL);
+
+void __init init_sdk7780_IRQ(void)
+{
+	printk(KERN_INFO "Using SDK7780 interrupt controller.\n");
+
+	ctrl_outw(0xFFFF, FPGA_IRQ0MR);
+	/* Setup IRL 0-3 */
+	ctrl_outw(0x0003, FPGA_IMSR);
+	plat_irq_setup_pins(IRQ_MODE_IRL3210);
+
+	register_intc_controller(&fpga_intc_desc);
+}